Enable auth-service/api-gateway on production, build their images in CI

apps/web/app/api/auth/me/route.ts

@@ -0,0 +1,30 @@
+import { NextResponse } from "next/server";
+import { cookies } from "next/headers";
+import type { AuthUser } from "@duoc-thu/shared-types";
+import { SESSION_COOKIE } from "../session";
+
+const GATEWAY_URL = process.env.API_GATEWAY_URL ?? "http://localhost:3000";
+
+export async function GET() {
+  const token = cookies().get(SESSION_COOKIE)?.value;
+  if (!token) {
+    return NextResponse.json({ error: "not_authenticated" }, { status: 401 });
+  }
+
+  let upstream: Response;
+  try {
+    upstream = await fetch(`${GATEWAY_URL}/auth/me`, {
+      headers: { Authorization: `Bearer ${token}` },
+      cache: "no-store",
+    });
+  } catch {
+    return NextResponse.json({ error: "gateway_unreachable" }, { status: 502 });
+  }
+
+  if (!upstream.ok) {
+    return NextResponse.json({ error: "not_authenticated" }, { status: 401 });
+  }
+
+  const user = (await upstream.json()) as AuthUser;
+  return NextResponse.json(user);
+}